Tellurium Effect on Degradation Stability of Semiinsulating Gallium Arsenide Crystals
DOI:
https://doi.org/10.15407/ujpe59.11.1093Keywords:
degradation stability of crystals, Czochralski technique, internal mechanical stressesAbstract
Initial untreated crystals of semiinsulating tellurium-compensated GaAs are shown to degrade considerably less after HF treatments in comparison with the corresponding specimens doped with chrome, which testifies to a substantial influence of the compensating impurity type on the substance degradation stability. Semiinsulating tellurium-compensated GaAs crystals preliminary treated in hydrogen plasma are also found to have higher degradation stability with
respect to the action of long-term high-frequency and microwave treatments in comparison with raw crystals.
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